liquid limit

plastic limit

shrinkage limit

plasticity index

sand

silt

clay

gravel

same shear strength of small magnitude

same shear strength of large magnitude

different shear strengths of small magnitude

different shear strengths of large magnitude

the liquid limit of soil always increases

the liquid limit of soil always decreases

the liquid limit of soil may increase

the liquid limit of soil may decrease

4.75 mm to 2.00 mm

2.00 mm to 0.425 mm

0.425 mm to 0.075 mm

0.075 mm to 0.002 mm